Abstract
In this study, the chemical method was used to treat electroplating wastewater by chemical method and biological method, and the hydrogen-catalytic oxidation method was used for pretreatment of cyanide wastewater. For the selection of adsorbent materials containing lead wastewater pretreatment, the method of using a single factor experiment exploits the amount of investment, initial concentration, adsorption time on the adsorption amount and the adsorption rate, and the results showed that when the dosage was 0.5 g·L-1, the adsorption rate of platycladus orientalis bark to Pb2+ was 88.41%,which was the highest compared with other adsorption materials; when the initial concentration is large, the lateral cerridge maintains a high adsorption amount and reaches 51.39 mg·g-1. This value is significantly higher than other materials that have been reported, such as constituents, walnuts, etc. The adsorption time reaches the adsorption balance after 30 min. The platycladus orientalis bark exhibits the best adsorption in the end.
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